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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.onap.ccsdk.config.rest.adaptor.service;
import java.io.File;
import java.io.FileInputStream;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;
import org.onap.ccsdk.config.rest.adaptor.ConfigRestAdaptorConstants;
import org.onap.ccsdk.config.rest.adaptor.ConfigRestAdaptorException;
import org.onap.ccsdk.config.rest.adaptor.data.RestResponse;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class ConfigRestAdaptorServiceImpl implements ConfigRestAdaptorService {
private static EELFLogger logger = EELFManager.getInstance().getLogger(ConfigRestAdaptorServiceImpl.class);
private Map<String, String> restProperties = new ConcurrentHashMap<>();
public ConfigRestAdaptorServiceImpl(String propertyPath) {
initializeProperties(propertyPath);
try {
String envType = restProperties.get(ConfigRestAdaptorConstants.REST_ADAPTOR_BASE_PROPERTY
+ ConfigRestAdaptorConstants.REST_ADAPTOR_ENV_TYPE);
if (!(ConfigRestAdaptorConstants.PROPERTY_ENV_PROD.equalsIgnoreCase(envType)
|| ConfigRestAdaptorConstants.PROPERTY_ENV_SOLO.equalsIgnoreCase(envType))) {
ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
Runnable task = () -> {
initializeProperties(propertyPath);
};
executor.scheduleWithFixedDelay(task, 60, 15, TimeUnit.MINUTES);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
private void initializeProperties(String propertyPath) {
logger.trace("Initialising Config rest adaptor Service with property directory ({})", propertyPath);
try {
if (StringUtils.isBlank(propertyPath)) {
propertyPath = System.getProperty(ConfigRestAdaptorConstants.SDNC_ROOT_DIR_ENV_VAR_KEY);
}
if (StringUtils.isBlank(propertyPath)) {
throw new ConfigRestAdaptorException(
String.format("Failed to get the property directory (%s)", propertyPath));
}
// Loading Default config-rest-adaptor.properties
String propertyFile =
propertyPath + File.separator + ConfigRestAdaptorConstants.REST_ADAPTOR_PROPERTIES_FILE_NAME;
Properties properties = new Properties();
properties.load(new FileInputStream(propertyFile));
logger.trace("Initializing properties details for property file ({}) properties ({})", propertyFile,
properties);
restProperties.putAll(properties.entrySet().stream()
.collect(Collectors.toMap(e -> e.getKey().toString(), e -> e.getValue().toString())));
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
@Override
public <T> T getResource(String serviceSelector, String path, Class<T> responseType)
throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).getResource(path, responseType);
}
@Override
public <T> T postResource(String serviceSelector, String path, Object request, Class<T> responseType)
throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).postResource(path, request, responseType);
}
@Override
public <T> T exchangeResource(String serviceSelector, String path, Object request, Class<T> responseType,
String method) throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).exchangeResource(path, request, responseType,
method);
}
@Override
public RestResponse getResource(String serviceSelector, String path) throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).getResource(path);
}
@Override
public RestResponse postResource(String serviceSelector, String path, Object request)
throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).postResource(path, request);
}
@Override
public RestResponse exchangeResource(String serviceSelector, String path, Object request, String method)
throws ConfigRestAdaptorException {
return getRestClientAdapterBySelectorName(serviceSelector).exchangeResource(path, request, method);
}
private ConfigRestClientServiceAdapter getRestClientAdapterBySelectorName(String serviceSelector)
throws ConfigRestAdaptorException {
String adoptorType = restProperties.get(ConfigRestAdaptorConstants.REST_ADAPTOR_BASE_PROPERTY + serviceSelector
+ ConfigRestAdaptorConstants.SERVICE_TYPE_PROPERTY);
if (StringUtils.isNotBlank(adoptorType)) {
if (ConfigRestAdaptorConstants.REST_ADAPTOR_TYPE_GENERIC.equalsIgnoreCase(adoptorType)) {
return new GenericRestClientAdapterImpl(restProperties, serviceSelector);
} else if (ConfigRestAdaptorConstants.REST_ADAPTOR_TYPE_SSL.equalsIgnoreCase(adoptorType)) {
return new SSLRestClientAdapterImpl(restProperties, serviceSelector);
} else {
throw new ConfigRestAdaptorException(
String.format("no implementation for rest adoptor type (%s) for the selector (%s).",
adoptorType, serviceSelector));
}
} else {
throw new ConfigRestAdaptorException(
String.format("couldn't get rest adoptor type for the selector (%s)", serviceSelector));
}
}
}
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